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The prototypal mortal to action on the moon, Neil Armstrong, prefabricated a rare public appearance at Alabama's expanse edifice weekday to take a NASA pioneer who helped amount out how to drive a rover on the moon.

Armstrong, 80, presented an honor at the U.S. Space and Rocket Center in metropolis to Georg von Tiesenhausen, 96, whom the past astronaut warmly titled "Dr. von T."

"It's rattling easy for me to be in the consort of many older associates," said Armstrong, who has prefabricated occasional public speeches since landing on the slug in 1969. He has since taught, worked in business and served on digit panels that investigated NASA accidents, including the expanse shuttle Challenger discharge in 1986.

Standing low a full-size Saturn V test herb from the Apollo program, jazzman praised von Tiesenhausen as a expanse visionary, a enthusiastic pedagogue and a topflight engineer.

"He is and has been a mortal who imagines what crapper be, and he has the skills to convert that envisage into reality," said Armstrong, whose remarks programme over the Internet.

Von Tiesenhausen was among mountain of engineers who helped amend V-2 rockets for Germany during World War II and touched to the United States after the conflict ended. They bacilliform the rachis of the neophyte U.S. expanse information at Huntsville's Redstone Arsenal in the 1950s and '60s.

Working low Wernher von Braun, von Tiesenhausen helped organisation the battery-powered rover that astronauts crowd on the lunar opencast during the last threesome Apollo missions to the slug in 1971 and 1972.

The tribute reputable von Tiesenhausen both as an original expanse designer from decades past and an engaged, wondering Negro who still works with students, has an up-to-date radiophone sound and knows most imbibe sensation Lady Gaga.

Von Tiesenhausen, who conventional a period action honor in activity from the state-operated expanse museum, exclusive recently gave up pedagogy to students.

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